What Kind Of Briefcase Or Bag Does Chad Have On Million Dollar Listing

Ok Chad Rogers Million Dollar Listing it has a nice soft leather bag he That Always Seems To Have With HIM. He Keeps paperwork and What Not In It. It Is brown and looks like it is quality leather. It has a zipper at the top and Does not Have Any Other handles Anything gold gold loops on the Outside. My Question Is What Would Be Called this bag? For example, a briefcase, messenger bag etc.. I Would Like to get one goal Have no idea what I'm looking for.
Thanks.